Recently, researchers -- and even the U.S. Defense Department -- have investigated the possibility of abrupt climate change, in which gradual global warming triggers ( desencadenar )a sudden shift in the earth's climate, causing parts of the world to dramatically heat up or cool down in the span of a few years. In February 2004, consultants to the Pentagon released a report laying out ( presentar ) the possible impacts of abrupt climate change on national security. In a worst-case scenario ( en el peor de los casos ), the study concluded, global warming could make large areas of the world uninhábitable and cause massive food and water shortages, sparking ( dando inicio ) widespread migrations and war. While this prospect remains highly spéculative, many of global warming's effects are already being observed -- and felt. And the idea that such extreme change is possible underscores the urgent need to start cutting global warming pollution.

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I've just compared this recording with your previous ones. Curiously, your speech wasn't American-flavoured before!

Very interesting pronunciation indeed! You haven't got a typical Spanish accent at all. It's actually a mixture of French and American accents.

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